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Dets
Lesson 7
5~6
For years, Dr. Yamanaka and his research them
Worked hard (to find a different.
右は不調の副詞的用法
create tissue). Then, in 2007,
way
to
they finally succeeded
in creating heart
muscle tissue from skin cells
taken from
a
person's
face.
They first added four kinds of genes to
add A to B AEB 12 9 2 3
\\
the skin cells to put them back into their
initial state, a
state similar to egg cells.
Then they made
those
cells grow.
into
heart
muscle
tissue. The four genes they
found are
how
called "Yamanaka Factors",
and the initialized cells that call
grow
into any
of
the 200
Cell
types
cre
called ips
cells.
These iPS cells could be used for treating
Various
illnesses
and injuries by being
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AT 7mm ruled 31

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transplanted into body Parts
that
are
damaged
or not in good condition.
For example, if your heart here not Working
properly due to damaged heart
muscles,
doctors could first
collect
Some
of
Your
cells by cutting
out a
very Small
section
of your skin. Next, they would
change
them into iPs cells and
make
them grow
into
muscle cells.
Last, they would transplant them into
your heart
ポイント ips細胞はどのようにして作られ、治療に使われるのか。
本文内容チェック「山中博士のiPS細胞作製の成功と、治りょうに向け
た応用の可能性」
①山中博士たちは「山中因子」と呼ばれる4つの遺伝子
を細胞に導入することで、200種類の異なる組織になることが
できる「iPS細胞」を開発した。
②体の部位の組織異常が起きた場合、皮膚からわずかに採
した田胞からiPS細胞を作り、異常のある部位へと成長させ、治療を可能にする。